Resource exhaustion in REXML - CVE-2024-43398

 

Resource exhaustion in REXML - CVE-2024-43398

Published: September 10, 2024


Vulnerability identifier: #VU96970
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-43398
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: rubygems.org
Affected software:
REXML

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources when parsing XML with multiple deep elements that have same local name attributes. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


How to mitigate CVE-2024-43398

Install updates from vendor's website.

Sources